73778834922 has 32 divisors (see below), whose sum is σ = 168255807552. Its totient is φ = 21365816064.

The previous prime is 73778834911. The next prime is 73778834971. The reversal of 73778834922 is 22943887737.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27818748 + ... + 27821399.

It is an arithmetic number, because the mean of its divisors is an integer number (5257993986).

Almost surely, 2^73778834922 is an apocalyptic number.

73778834922 is an abundant number, since it is smaller than the sum of its proper divisors (94476972630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73778834922 is a wasteful number, since it uses less digits than its factorization.

73778834922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55640182.

The product of its digits is 28449792, while the sum is 60.

The spelling of 73778834922 in words is "seventy-three billion, seven hundred seventy-eight million, eight hundred thirty-four thousand, nine hundred twenty-two".